User Manual

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Siemens RXC20, RXC21, RXC22 – Room controllers CA2N3834en_12
Building Technologies 2015-12-23
Connection terminals
3804A02
1 2 3 4 5 6 7 8 9 13 14 15 16 17 18
M D1 GND D2 Y1 G Y2 G CP– CP+ CLA CLB B1
CLA CLB
12 3 4
QAX...
T
M
19 19 21 25 26
N L Q13 Q14 N
AC 230 V
5(4) A
21
L
LonWorks®
Bus
Measured value input
B1 1 Measured value input with LG-Ni 1000 sensor
M 2 Measured value input ground
Signal inputs
D1 3 Signal input
GND 4 Signal ground
D2 5 Signal input
Triac outputs
Y1 6 AC 24 V, 0.5 A switching output
G 7 AC 24 V actuator supply
Y2 8 AC 24 V, 0.5 A switching output
G 9 AC 24 V actuator supply
Room unit
CP– 13 PPS2 ground
CP+ 14 PPS2 data
CLA 15 Data A
CLB 16 Data B
LONWORKS® bus (plug-in)
CLA 17 Data A
CLB 18 Data B
Power supply
N 19 Neutral conductor
L 21 Phase line AC 230 V +/- 10 %
Relay output
Q13 25 Feed for Q14
Q14 26 N/O contact AC max. 250 V, 5 (4) A
• Observe the technical data for the relay output: Max. AC 250 V, 5 (4) A
• Local installation regulations must be observed.
Standard RJ45 tool socket for L
ONWORKS® devices.
1
3206Z01
2 3 4 5 6 7 8
1 LONWORKS®, Data A (CLA)
2 L
ONWORKS®, Data B (CLB)
3 Unoccupied
4 Unoccupied
5 Unoccupied
6 unoccupied
7 PPS2 (CP+)
8 PPS2 (CP–)
RXC20
STOP
Note!
Tool socket